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4980769 = 31315913
BaseRepresentation
bin10011000000000000100001
3100101001022221
4103000000201
52233341034
6254431041
760223123
oct23000041
910331287
104980769
1128a2142
121802481
131055101
14939213
15685bb4
hex4c0021

4980769 has 4 divisors (see below), whose sum is σ = 4996996. Its totient is φ = 4964544.

The previous prime is 4980763. The next prime is 4980797. The reversal of 4980769 is 9670894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1595169 + 3385600 = 1263^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 4980769 - 217 = 4849697 is a prime.

It is a super-2 number, since 2×49807692 = 49616119662722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4980763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7644 + ... + 8269.

It is an arithmetic number, because the mean of its divisors is an integer number (1249249).

Almost surely, 24980769 is an apocalyptic number.

It is an amenable number.

4980769 is a deficient number, since it is larger than the sum of its proper divisors (16227).

4980769 is a wasteful number, since it uses less digits than its factorization.

4980769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16226.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 4980769 is about 2231.7636523611. The cubic root of 4980769 is about 170.7780826815.

The spelling of 4980769 in words is "four million, nine hundred eighty thousand, seven hundred sixty-nine".

Divisors: 1 313 15913 4980769